[Nottingham] apt or aptitude or dpkg equivalent

[Alan Pope]

On Wed, 21 Jul 2004 18:28:36 +0200 (CEST), lists at voila.fr
<lists at voila.fr> wrote:
> All,
> 
> When I was tempted by the not so dark side (rpm based distros) I used as command to get all the packages installed : rpm -q IIRC
> 
> Is there an equivalent with apt based distros ?
> 
> rgs,
> 
> Matt
> 
> RTFM suggestions welcome as long as someone tells me which FM !

RTFdpkgM

dpkg -l <packagename>

e.g. 

dpkg -l apache

or 

dpkg -l apache*

or just 

dpkg -l

Cheers,
Al.